Software Development Forum

Hi, I only know C++ as a medium level programmer, not a real beginner but absolutely no veteran, I need to learn so much more C++ stuff. I can fairly program small programs in C++ and i really like C++. I also started using some of the new cool C++11 …

Hey after all the fuss about Composition and inheritance and drilling in the fact that Composition is superior,I dont understand why the need to know ploymorphism?Since it is gotten through inheritance.Is this a joke? Whats the industry practice?Are they use **widely**?

So, I'm automating a payment import system, writing the whole thing from scratch. It has to pull data from excel files (including extraneous data that we need to discard), process it, and insert it into a database. Oddly, those aspects are going quite well. However, I'm running into a problem …

https://dl.dropbox.com/u/21125662/compilation/OsuModTool.txt It doesn't really work - text didn't change - why it doesn't work? It doesn't give me any error (but print prints what it should) https://dl.dropbox.com/u/21125662/compilation/post_adder_win.txt I call function through keyboard event

Here's my code in which i am getting SIGABRT for 7 test cases :- #include<cstdio> #include <queue> #include <vector> using namespace std; int main() { //variable declarations int i,j,steps=1,n,m,s,t,tmp,tmp1,visited[1000001]; vector<vector<int> > buildings ( 3501, vector<int> ( 3501 ) ); queue<int> tovisit; //take inputs scanf("%d %d",&n,&m); for (i=1;i<=m;i++) { scanf("%d %d",&tmp,&tmp1); …

How can i update data from data grid view into SQL database using C#. Actually i m working on windows form app and i have to write update code in click event of the button.I am trying to update single row of data grid view into database. I have tried …

I would like to first thank those who originally replied to my first article. I have the script modified so it's pulling all the needed data and I finished my work very fast! There was a lot of new syntaxes that I didn't know and took tutorials on each to …

Hello, I am new to python and i am having problems in the output format of "for" "in" loop example the code below # A word count programme # Author why jay def main(): import string word=0 line=0 letters=0 asd=raw_input("Enter file here : ") f_name=open(asd,'r') for why in f_name: see=why.split() …

Hello everyone, i want to do the summation below: x1= a0*x0 x2= x1+ a1*x1 x3= x1 + x2 + a2*x2 and so on............ supose we know x0 = 2; a0=1 ; a1 = 3; a2 = 2; how do i use for loop to do this? should i keep it …

i'm using Dev-cpp. i tried my best to find out the reason but could not so please help me out

Hello everyone ! I want to get output in C++ in same line. The following code gives me output in separate line. for(int i=0; i<=10; i++) { cout << i <<" " <<endl; }

Hello guys I have an xslt file I want to extract data from. I am new to xslt but at the moment I can perform basic operations like looping through the nodes and creating element and attributes. My problem is that I want to select a particular value from a …

Hello guys, I have a problem convrting to an int in xslt. My xslt is: <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:tem="http://tempuri.org/"> <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/> <xsl:template match="/"> <xsl:call-template name="ConnectConsumer"/> </xsl:template> <xsl:template name="ConnectConsumer"> <tem:callRule> <xsl:for-each select="/"> <xsl:for-each select="ConsumerDetails"> <xsl:for-each select="Score"> <xsl:element name="tem:arg0"> <xsl:value-of select='format-number(Score,"#" )'/> </xsl:element> </xsl:for-each> </xsl:for-each> </xsl:for-each> </tem:callRule> </xsl:template> </xsl:stylesheet> …

am having a problem in incrementing the number automically into the database every the when save. The initial number i want it to be 001 in a text box and when i save it, it should increment into 002 and so on. And every time i load the web page …

Hello, I just needed some help with a code error. When I compile the code below, I keep getting this error: Program2.java:12: error: ';' expected Scanner keyboard = new Scanner(System.in); 1 error Could somebody please let me know what I am doing wrong? Thanks. import java.util.Scanner; // Needed for Scanner …

Note: This is a server that is going to be used on a build farm, So 3rd party libraries are no use here. I've been working on writing a python script that can be used to POST files on to a tomcat server (java), I finished writing the servlet and …

Hello Friends, One help needed.... I have a product database....in which I have productid,prodname,inventoryvalue,reordervalue I have to design a email system that as soon as the product reaches the reorder level it shud generate an email.... but the condition is there will be many products in the database....and on one …

Hello there, I just don't know, how to solve this task in assembly - http://oi49.tinypic.com/2qi9q4l.jpg I know what every command does, but don't get the way it's done. Any explanations or advices, please?

Can anyone correct my mistake. Provided code: public void testSetBaseSalaryNegative() { final double altBaseSalary = -999.99; try { emp.setBaseSalary(altBaseSalary); // Expecting an IllegalArgumentException fail ("Negative base-salary values should be rejected by setBaseSalary and result in an IllegalArgumentException"); } catch (IllegalArgumentException ex) { // This is the nominal case } catch …

Never had this problem before, and i am not sure how this happened. I got a Mysql sql database for my project. The id field is set as auto increment, which seems to function correctly. But on the form in my text field and datagrid i see a negative number, …

A program written in assembly is machine dependent but a program written in Java ,python etc.. are not. why is that at the end don't they all get converted in to machine language?

hello ! i am working on a c# project , but i had done all this is vb before , now i have all the code in vb.net and i want to use it in c# project , someone told me that if i make dll of my vb modules …

I have an object hierarchy that can be represented simplistically like: public class ChannelEntity { ... public properties .... public FramesetEntity Frameset { get; set; } } public class FramesetEntity { ... public properties .... public List<FrameEntity> Frames { get; set; } } public class FrameEntity { ... public properties …

hi how to fix org.hibernate.HibernateException i am using eclipse and oracle 10g thanking you

This is probably a silly question but i really don't know the answer to it. Can you write a program in C++ and have another part written in C and compile them into a single executable file? I'm thinking a c/c++ compiler like visual c++ would do this.. Is that …

Can anyone check my memory class and suggest changes or things I may need? I'm writing it so that I don't have to worry about deleting anything everytime I allocate. #include <iostream> template<typename T> class Memory { private: size_t size; T* data; public: explicit Memory(size_t Size) : size(Size), data(new T[Size]){} …

Good Afternoon, This is my first class in C++ and I'm having problems with a program that needs to print a calendar of June, July and August 2008 into the output file "outCalendar.txt" . I should format the result for month well so that it looks like a real calendar …

Here's the html i want to understand i want the first div class to let the program no im dealing with only hel(helium) and then still in the hel(helium) section , is span class i want the production value so basicly i want only one at a time not the …

This program does not crash but behaves badly due to not allocating enough space for vector z in line 21. If I comment out line 21 and instead uncomment line 23, things work well. If I comment out both lines 21 and 23, the program will crash, presumably because I …

So i've found this HTTP downloader in python, and I wanted to modify it. I've been trying to add a ttk progressbar, to no avail, but I have no idea why it isn't working! Here is my code: import urllib2 import Tkinter import ttk url = 'http://kharg.czystybeton.pl/pendulum%20-%20%5B2005%5D%20hold%20your%20colour/05.%20through%20the%20loop.mp3' file_name = url.split('/')[-1] …

I have a program where am trying to access a dataset in the main form from a 2nd Winfrom. I have created a form 1 ref but when I use this to access the datatable in the dataset it doesnt seem to work. The following code is for Form 2 …

Here's my code Dim allelementds As HtmlElementCollection = MbFacebookBrowser.Document.GetElementsByTagName("span") For Each DD As HtmlElement In allelementds If DD.OuterHtml.Contains("resource") Then TlsResourceComboBox.Items.Add(DD.GetAttribute("InnerText")) End If Next LblHel.Text = TlsResourceComboBox.Items.Item(0).ToString LblIro.Text = TlsResourceComboBox.Items.Item(1).ToString LblOxy.Text = TlsResourceComboBox.Items.Item(2).ToString LblWat.Text = TlsResourceComboBox.Items.Item(3).ToString As you can see im currently using a combobox as a type of a list …

i have a grid view in whichld store i hav aaded a new column 'status'. i hav my data coming frm database. i hav added delete buttons in grid view in eacj row... i want that when i press the del button in order to del a particular row the …

How can i implement this constructor? I tried replacing commissionEmployee = new CommissionEmployee with this but the complier asked me to create another constructor. public class BasePlusCommissionEmployeeComposition { private double baseSalary; private CommissionEmployee commissionEmployee; // six-argument constructor public BasePlusCommissionEmployeeComposition( String first, String last, String ssn, double sales, double rate, double …

Hi, I am learning python coming from a C background and I am trying to understand how python lists work. I took a look at the built in methods, and I am wondering if they are implemented like a linked list. The reason I am wondering this, is because I …

Hello, I'm following along Riemer's tutorial for terrain generation and I have my program working, but about 15 seconds after running the program, I get a an error that says, "Win32 Exception was unhandled. The operation completed successfully" Here is my code. [code=c#] using System; using System.Collections.Generic; using System.Linq; using …

I made a new project that has to open a folder using DIR * `DIR * directory=openDir(...); // openDir is a function returning DIR * after it was opened` than to make a new folder in it, so far so good `mkdir(path,permissions);` and now i have to run through the …

What's a fast way to fill a union/struct of integral members with ALL Zeroes? RECORD* UNION = {0}; void ZeroStruct(int X, int Y) { UNION = new RECORD[X * Y]; int K = 0; for (int I = 0; I < X; I++) for (int J = 0; J < …

Is it possible to overload one operator more than once? I have a struct that is just my idea of a C++ Box. I'm trying to increase the size of a box using an integer or another box. I'm trying to do: Box X(0, 0, 0, 0); Box Y(1, 1, …

there are two panel in one panel there is search button and in the another one there is Jtable for displaying search result. In that jtable initially all the records are displayed. But when i try to search, it works but the problem is that i need to click search …

Hello everybody!I want to ask you something. I want to send values from C# windows form application in php webpage.In other words send post values from C# to php. The problem is that php script cannot read this values and preview this results which comes from C# app.Could you help …

hello, I am saving some data in sql of type datetime but the value I am getting is 1900-01-02 00:00:00.000 what must I do?

Please, I need someone to show me the correct synatx - code to FTP a file (in an Access table) to a server. The access table contains the following information: Open 10.8.44.34 Username Password File path - sourcefile destinationfile Quit. I tried to run the code below and I get: …

How to handle characters like ü, Ö etc. I tried using decode_utf8() function. But still when I print the string I get some funny characters instead of ü or Ö

Hey, I am trying to make a C++ scrit that decodes and encodes tenis polar (search it on Google if you don't know what it is). After some testing, I found out my application stops after the strcpy. Any help? The code is below. Thanks! #include <iostream> #include <cstring> #include …

Hey all, I usuallly don't like asking for help on these sites but I have been kicking myself for a while now implementing boost regex for a program (i have never had any prior issues). I believe the issue is with my regex syntax but i have tried numerous variations …

Dim MaxVal As Integer For a = 0 To DataGridView1.RowCount - 1 If MaxVal < DataGridView1.Item(DataGridView1.ColumnCount - 1, a).Value Then MaxVal = CInt(DataGridView1.Item(DataGridView1.ColumnCount - 1, a).Value) End If Next MsgBox("The Optimum Value is " & MaxVal, 1, "Optimum Choice")

Hey Folks. I'm writing a Python app using wx and I'd really like the ability to block the Capslock key at certain times. My current system has some unfortunate toggling of Hotkey Bindings and uses SendKeys, which results in some ugly keyboard light flashing and some seemingly random infinite loops. …

Hi, What is for ( : ) in java.i know what a loop is but lately when i am doing excercises these keep coming up Example:** for(Field currentField : emp.getClass().getDeclaredFields())**

ey i have following code for crystal report 8.5 to vb6... i just want to change database location of report from vb code... Private Sub Form_Load() Dim Reportapp As New CRAXDDRT.Application Dim Report As CRAXDDRT.Report Set Report = Reportapp.OpenReport(App.Path & "\orders.rpt") Report.Database.SetDataSource App.Path & "\RatanDB.mdb" CRViewer2.ReportSource = Report CRViewer2.ViewReport CRViewer2.Zoom …